/* roulang page: index */
:root {
            --primary: #1F7A5C;
            --primary-dark: #165b44;
            --primary-light: #e8f5f1;
            --accent: #F2994A;
            --accent-hover: #e08332;
            --bg-dark: #15202B;
            --bg-darker: #0d151d;
            --bg-base: #F7F9FA;
            --bg-card: #FFFFFF;
            --text-main: #1E293B;
            --text-muted: #475569;
            --text-sub: #94A3B8;
            --border-color: rgba(31, 122, 92, 0.15);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 12px 24px -6px rgba(0, 0, 0, 0.07);
            --shadow-lg: 0 20px 30px -10px rgba(0, 0, 0, 0.2);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: var(--bg-base);
            color: var(--text-main);
            font-size: 16px;
            line-height: 1.75;
            letter-spacing: 0.02em;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover, a:focus {
            color: var(--primary);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        /* Typography Utilities */
        .section-eyebrow {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--primary);
            text-transform: uppercase;
            letter-spacing: 0.08em;
            margin-bottom: 0.5rem;
            padding: 0.25rem 0.75rem;
            background: var(--primary-light);
            border-radius: 20px;
        }
        .section-eyebrow.dark {
            background: rgba(242, 153, 74, 0.15);
            color: var(--accent);
        }

        .section-title {
            font-size: 2.1rem;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.3;
            margin-bottom: 0.85rem;
        }
        .section-title.dark {
            color: #FFFFFF;
        }

        .section-desc {
            font-size: 1rem;
            color: var(--text-muted);
            line-height: 1.8;
            max-width: 760px;
            margin: 0 auto 2.5rem;
        }
        .section-desc.dark {
            color: #A0AEC0;
        }

        /* Section Layout Spacing */
        section {
            padding: 5rem 0;
            position: relative;
        }
        .section-alt {
            background-color: #FFFFFF;
        }
        .section-dark {
            background-color: var(--bg-dark);
            color: #E2E8F0;
        }

        /* Top Header System */
        .top-bar-notice {
            background-color: #124d3a;
            color: #C2E0D6;
            font-size: 0.825rem;
            padding: 0.5rem 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .top-bar-notice .container-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .notice-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .notice-dot {
            width: 8px;
            height: 8px;
            background-color: #48BB78;
            border-radius: 50%;
            display: inline-block;
            box-shadow: 0 0 8px #48BB78;
        }

        .main-header {
            background: #FFFFFF;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .nav-wrapper {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 72px;
        }
        .logo-box {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--primary);
        }
        .logo-box i {
            font-size: 1.7rem;
            color: var(--primary);
        }
        .nav-links {
            display: flex;
            list-style: none;
            align-items: center;
            gap: 1.8rem;
            margin: 0;
        }
        .nav-links a {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-main);
            padding: 6px 0;
            position: relative;
        }
        .nav-links a:hover, .nav-links a.active {
            color: var(--primary);
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background-color: var(--primary);
            border-radius: 2px;
        }
        .nav-cta-btn {
            background: linear-gradient(135deg, var(--accent) 0%, var(--accent-hover) 100%);
            color: #FFFFFF !important;
            padding: 0.6rem 1.4rem;
            border-radius: 30px;
            font-weight: 600;
            box-shadow: 0 4px 14px rgba(242, 153, 74, 0.35);
        }
        .nav-cta-btn:hover {
            box-shadow: 0 6px 20px rgba(242, 153, 74, 0.45);
            transform: translateY(-1px);
        }

        /* Buttons */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #FFFFFF;
            padding: 0.85rem 1.85rem;
            border-radius: 30px;
            font-weight: 600;
            font-size: 1rem;
            box-shadow: 0 6px 16px rgba(31, 122, 92, 0.25);
            transition: var(--transition);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            color: #FFFFFF;
            transform: translateY(-2px);
        }
        .btn-accent {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: #FFFFFF;
            padding: 0.85rem 1.85rem;
            border-radius: 30px;
            font-weight: 600;
            font-size: 1rem;
            box-shadow: 0 6px 16px rgba(242, 153, 74, 0.3);
            transition: var(--transition);
        }
        .btn-accent:hover {
            background: var(--accent-hover);
            color: #FFFFFF;
            transform: translateY(-2px);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: 2px solid var(--primary);
            color: var(--primary);
            padding: 0.8rem 1.75rem;
            border-radius: 30px;
            font-weight: 600;
            font-size: 1rem;
            transition: var(--transition);
        }
        .btn-outline:hover {
            background: var(--primary);
            color: #FFFFFF;
        }

        /* 1. Hero Section */
        .hero-section {
            background: linear-gradient(rgba(21, 32, 43, 0.82), rgba(21, 32, 43, 0.88)), url('/assets/images/5ade4dbcdec7d59c.png') center/cover no-repeat;
            color: #FFFFFF;
            padding: 6.5rem 0 5rem;
        }
        .hero-content {
            max-width: 820px;
            margin: 0 auto;
            text-align: center;
        }
        .hero-badge {
            background: rgba(31, 122, 92, 0.4);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #79ecc2;
            padding: 0.4rem 1.1rem;
            border-radius: 20px;
            font-size: 0.875rem;
            margin-bottom: 1.5rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .hero-title {
            font-size: 3rem;
            font-weight: 800;
            line-height: 1.25;
            color: #FFFFFF;
            margin-bottom: 1.4rem;
        }
        .hero-desc {
            font-size: 1.15rem;
            color: #CBD5E1;
            line-height: 1.8;
            margin-bottom: 2.2rem;
        }
        .hero-actions {
            display: flex;
            justify-content: center;
            gap: 1.2rem;
            margin-bottom: 3.5rem;
            flex-wrap: wrap;
        }
        .hero-tags-bar {
            background: rgba(255, 255, 255, 0.06);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-lg);
            padding: 1.25rem 2rem;
            display: flex;
            justify-content: space-around;
            flex-wrap: wrap;
            gap: 1.5rem;
        }
        .hero-tag-item {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #E2E8F0;
            font-weight: 500;
            font-size: 0.95rem;
        }
        .hero-tag-item i {
            color: var(--accent);
            font-size: 1.2rem;
        }

        /* 2. Platform Matrix Section */
        .matrix-card {
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 2.5rem;
            height: 100%;
            box-shadow: var(--shadow-sm);
        }
        .matrix-specs-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1.2rem;
            margin-top: 2rem;
        }
        .spec-item {
            background: var(--bg-base);
            padding: 1rem 1.25rem;
            border-radius: var(--radius-sm);
            border-left: 3px solid var(--primary);
        }
        .spec-title {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 0.25rem;
        }
        .spec-value {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-main);
        }

        /* 3. Core Advantages Grid */
        .adv-card {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            padding: 2.2rem 1.8rem;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            height: 100%;
        }
        .adv-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: var(--primary);
        }
        .adv-icon {
            width: 56px;
            height: 56px;
            border-radius: 12px;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            margin-bottom: 1.4rem;
        }
        .adv-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
        }
        .adv-card p {
            font-size: 0.95rem;
            color: var(--text-muted);
            margin-bottom: 0;
            line-height: 1.7;
        }

        /* 4. Showcase Cards */
        .game-card {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .game-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
        }
        .game-thumb {
            position: relative;
            height: 200px;
            overflow: hidden;
        }
        .game-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .game-card:hover .game-thumb img {
            transform: scale(1.05);
        }
        .game-pill {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(21, 32, 43, 0.85);
            color: var(--accent);
            font-size: 0.75rem;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 4px;
        }
        .game-body {
            padding: 1.6rem;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
        }
        .game-body h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
        }
        .game-tags {
            display: flex;
            gap: 6px;
            margin-bottom: 0.8rem;
            flex-wrap: wrap;
        }
        .game-tag {
            font-size: 0.75rem;
            background: var(--bg-base);
            color: var(--text-muted);
            padding: 2px 8px;
            border-radius: 4px;
        }
        .game-body p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 1.2rem;
            flex-grow: 1;
        }
        .game-footer {
            border-top: 1px solid rgba(0,0,0,0.06);
            padding-top: 1rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        /* 5. Pipeline Stages (Z-layout) */
        .stage-row {
            display: flex;
            align-items: center;
            gap: 3.5rem;
            margin-bottom: 4rem;
        }
        .stage-row:last-child {
            margin-bottom: 0;
        }
        .stage-row.reverse {
            flex-direction: row-reverse;
        }
        .stage-content {
            flex: 1;
        }
        .stage-img-wrap {
            flex: 1;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-color);
        }
        .stage-badge {
            font-weight: 700;
            font-size: 0.85rem;
            color: var(--accent);
            margin-bottom: 0.5rem;
            display: block;
        }

        /* 6. Dark Section Sandbox Logic */
        .code-box {
            background: var(--bg-darker);
            border-radius: var(--radius-md);
            padding: 1.8rem;
            border: 1px solid rgba(255, 255, 255, 0.1);
            font-family: Consolas, Monaco, monospace;
            font-size: 0.85rem;
            color: #68D391;
            line-height: 1.7;
        }

        /* 7. Guild Stories */
        .story-card {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            padding: 2.2rem;
            box-shadow: var(--shadow-sm);
        }
        .timeline-box {
            border-left: 2px solid var(--primary-light);
            padding-left: 1.5rem;
            margin-left: 0.5rem;
        }
        .timeline-node {
            position: relative;
            margin-bottom: 1.5rem;
        }
        .timeline-node::before {
            content: '';
            position: absolute;
            left: -1.95rem;
            top: 6px;
            width: 10px;
            height: 10px;
            background: var(--primary);
            border-radius: 50%;
        }

        /* 8. Global Stats Bar */
        .stats-section {
            background: #FFFFFF;
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
            padding: 3.5rem 0;
        }
        .stat-item {
            text-align: center;
        }
        .stat-num {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
            margin-bottom: 0.4rem;
        }
        .stat-label {
            font-size: 0.95rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* 9. Comparison Table */
        .comparison-table-wrap {
            overflow-x: auto;
            background: #FFFFFF;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
        }
        .custom-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            margin-bottom: 0;
        }
        .custom-table th, .custom-table td {
            padding: 1.2rem 1.5rem;
            border-bottom: 1px solid rgba(0, 0, 0, 0.06);
            font-size: 0.95rem;
        }
        .custom-table th {
            background: var(--bg-base);
            font-weight: 700;
            color: var(--text-main);
        }
        .custom-table th.highlight, .custom-table td.highlight {
            background: var(--primary-light);
            color: var(--primary-dark);
            font-weight: 600;
        }

        /* 10. Reviews Wall */
        .review-card {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            padding: 2rem;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            height: 100%;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .review-stars {
            color: var(--accent);
            margin-bottom: 1rem;
            font-size: 0.9rem;
        }
        .review-content {
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 1.4rem;
            font-style: italic;
        }
        .reviewer-info {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .avatar-circle {
            width: 44px;
            height: 44px;
            background: var(--primary);
            color: #FFFFFF;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
        }

        /* 11. News / Strategy Insights */
        .news-card {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            padding: 1.8rem;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            height: 100%;
            transition: var(--transition);
        }
        .news-card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-md);
        }
        .news-meta {
            font-size: 0.8rem;
            color: var(--text-sub);
            margin-bottom: 0.6rem;
            display: flex;
            gap: 12px;
        }
        .news-title {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 0.8rem;
            line-height: 1.4;
        }

        /* 12. FAQ Accordion */
        .faq-accordion-item {
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            margin-bottom: 1rem;
            overflow: hidden;
        }
        .faq-accordion-title {
            padding: 1.25rem 1.6rem;
            font-weight: 600;
            font-size: 1.05rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: #FFFFFF;
            user-select: none;
        }
        .faq-accordion-content {
            padding: 0 1.6rem 1.4rem;
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.8;
            border-top: 1px solid rgba(0, 0, 0, 0.04);
            padding-top: 1rem;
        }

        /* 13. Security Guarantees Banner */
        .guarantee-bar {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            padding: 2.2rem;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
        }
        .guarantee-item {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .guarantee-icon {
            font-size: 2rem;
            color: var(--primary);
        }

        /* Bottom Fixed CTA & CTA Section */
        .cta-closure-section {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
            color: #FFFFFF;
            text-align: center;
            padding: 5rem 0;
        }
        .fixed-bottom-cta {
            position: fixed;
            bottom: 0;
            left: 0;
            width: 100%;
            background: rgba(21, 32, 43, 0.96);
            backdrop-filter: blur(10px);
            padding: 0.8rem 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            z-index: 999;
            box-shadow: 0 -4px 15px rgba(0, 0, 0, 0.2);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        /* Footer */
        .main-footer {
            background-color: var(--bg-dark);
            color: #A0AEC0;
            padding: 4.5rem 0 2rem;
            font-size: 0.9rem;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            margin-bottom: 60px; /* Offset for fixed CTA */
        }
        .footer-heading {
            font-size: 1.05rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 1.25rem;
        }
        .footer-links {
            list-style: none;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 0.6rem;
        }
        .footer-links a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin-top: 3.5rem;
            padding-top: 1.5rem;
            text-align: center;
            font-size: 0.85rem;
        }

        /* Responsive Fixes */
        @media screen and (max-width: 1024px) {
            .nav-links {
                display: none;
            }
            .hero-title {
                font-size: 2.3rem;
            }
            .stage-row, .stage-row.reverse {
                flex-direction: column;
                gap: 2rem;
            }
        }
        @media screen and (max-width: 640px) {
            .hero-title {
                font-size: 1.85rem;
            }
            .hero-actions {
                flex-direction: column;
            }
            .btn-primary, .btn-accent, .btn-outline {
                width: 100%;
                justify-content: center;
            }
            .stat-num {
                font-size: 2rem;
            }
            .fixed-bottom-cta {
                flex-direction: column;
                gap: 0.5rem;
                text-align: center;
            }
        }
